National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

53°F

12°C

Humidity 89%
Wind Speed N 13 G 24 mph
Barometer 29.77 in (1007.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 12 Oct 8:56 am EDT
Extended Forecast for

East Lyme CT

  • Columbus Day

    Columbus Day: Mostly cloudy early, then gradual clearing, with a high near 72. North wind 6 to 9 mph.

    High: 72 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Light north wind.

    Low: 53 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 68. East wind 5 to 8 mph becoming southeast in the afternoon.

    High: 68 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 60. South wind 6 to 8 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. West wind around 8 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 2am. Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly after 8am. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

Detailed Forecast

Columbus Day
Mostly cloudy early, then gradual clearing, with a high near 72. North wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 53. Light north wind.
Tuesday
Increasing clouds, with a high near 68. East wind 5 to 8 mph becoming southeast in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 60. South wind 6 to 8 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 76. West wind around 8 mph.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Sunny, with a high near 66.
Thursday Night
A 50 percent chance of showers after 2am. Partly cloudy, with a low around 49.
Friday
Showers, mainly after 8am. High near 68. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 54. Breezy.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Lyme CT
 41.36°N 72.23°W (Elev. 98 ft)
Last Update:
6:26 am EDT Oct 12, 2026
Forecast Valid:
9am EDT Oct 12, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation